Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
David L. Reed0
Edward Fadel0
Michele E. Nuzum0
Richard N. Gardner0
Robert L. Wood0
Robert P. Freese0
Thomas A. Rinehart0
Date of Patent
October 5, 2010
0Patent Application Number
110539980
Date Filed
February 9, 2005
0Patent Citations Received
Patent Primary Examiner
Patent abstract
Microlens arrays include a substrate, an array of microlenses on a first side of the substrate and an aperture mask on a second side of the substrate. The aperture mask includes an array of apertures at optical axes of the lenses. A second array of apertures may be included in the aperture mask at randomized positions therein. The randomized apertures may be provided in the aperture mask by providing a diffusive layer between the aperture mask and the substrate, and directing coherent radiation through the lens array, the diffusive layer and aperture mask.
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